622436 has 6 divisors (see below), whose sum is σ = 1089270. Its totient is φ = 311216.

The previous prime is 622423. The next prime is 622477. The reversal of 622436 is 634226.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 118336 = 710^2 + 344^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77801 + ... + 77808.

It is an arithmetic number, because the mean of its divisors is an integer number (181545).

2⁶²²⁴³⁶ is an apocalyptic number.

It is an amenable number.

622436 is a deficient number, since it is larger than the sum of its proper divisors (466834).

622436 is a wasteful number, since it uses less digits than its factorization.

622436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155613 (or 155611 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 622436 is about 788.9461325084. The cubic root of 622436 is about 85.3817203333.

The spelling of 622436 in words is "six hundred twenty-two thousand, four hundred thirty-six".